1051290 has 24 divisors (see below), whose sum is σ = 2733588. Its totient is φ = 280320.

The previous prime is 1051283. The next prime is 1051291. The reversal of 1051290 is 921501.

It can be written as a sum of positive squares in 2 ways, for example, as 1046529 + 4761 = 1023^2 + 69^2 .

It is a super-2 number, since 2×1051290² = 2210421328200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1051291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5751 + ... + 5930.

2^1051290 is an apocalyptic number.

1051290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1051290 is an abundant number, since it is smaller than the sum of its proper divisors (1682298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051290 is a wasteful number, since it uses less digits than its factorization.

1051290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11694 (or 11691 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1051290 is about 1025.3243389289. The cubic root of 1051290 is about 101.6812424980.

Adding to 1051290 its reverse (921501), we get a palindrome (1972791).

The spelling of 1051290 in words is "one million, fifty-one thousand, two hundred ninety".